20480016

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3257}}^1$

素因数の和:3399

約数の個数: 40

約数和(自身を含む): 53326944

約数和(自身を除く): 32846928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 3257, 6288, 6514, 9771, 13028, 19542, 26056, 39084, 52112, 78168, 156336, 426667, 853334, 1280001, 1706668, 2560002, 3413336, 5120004, 6826672, 10240008, 20480016]

約数ペア:

[(1, 20480016), (2, 10240008), (3, 6826672), (4, 5120004), (6, 3413336), (8, 2560002), (12, 1706668), (16, 1280001), (24, 853334), (48, 426667), (131, 156336), (262, 78168), (393, 52112), (524, 39084), (786, 26056), (1048, 19542), (1572, 13028), (2096, 9771), (3144, 6514), (3257, 6288)]